The share price of Auxilium Pharmaceuticals, Inc. (NASDAQ:AUXL) jumped +44.89% this Wednesday, ending the day at $31.18 – rather close to its 52-week high of $32.89. The surge comes on the heels of a $2.2 billion acquisition bid made by Endo International. The company is also in the midst of a merger with QLT. The John Paulson pick is up +50.41% YTD.

Voltari Corp (NASDAQ:VLTC) had a strong day as well, as its price surged +12.65%. Activist investor Carl Icahn initiated a position in the mobile data solutions provider during the second quarter of 2013, and by the looks of it, he’s still waiting for his investment to pay off. Despite today’s gain, Voltari has declined -64.65% over the past year.

NII Holdings Inc (NASDAQ:NIHD) dipped -12.35% and continues to suffer the fall-out of its bankruptcy protection filing, made this week. The new Q2 Soros pick has declined -40% in five days.

Taking the third and final spot on today’s list of losers is Repros Therapeutics Inc (NASDAQ:RPRX), the share price of which fell -10.49%. In the Farallon Capital portfolio since Q2 2013, RPRX is down -29.62% YTD.

Author: iBillionaireiBillionaire provides access to the investment data and strategies of the world's most successful self-made billionaires. Mobile app available for iOS and Android. Maker of the iBillionaire Index (IBLN). More at www.iBillionaire.me.